'type': 'System',
'addresstype': 'pointer',
}
# We connect, as we did in example 2
MyApparatus.Connect_All(MyExecutor, simulation=True)
# Instead of using elemental procedures, we use more abstract procedures for
# pumps but... how do we know whick pumps are used for what material?
# Turns out that we do not need to know a specific pump's name.
red_pump_name = MyApparatus.findDevice({'descriptors': ['pump', 'red']})
green_pump_name = MyApparatus.findDevice({'descriptors': ['pump', 'green']})
blue_pump_name = MyApparatus.findDevice({'descriptors': ['pump', 'blue']})
# Now we create two procedures that let us handle our system more abstractly
PumpOn = Procedures.Pump_PumpOn(MyApparatus, MyExecutor)
PumpOff = Procedures.Pump_PumpOff(MyApparatus, MyExecutor)
# We can further complicate our control problem with some real-world issues
# like delays between pump signal and response. For this example, we will
# assume all the materials and pumps behave the same but this is usually not
# the case.
PumpOn.requirements['pumpon_time']['value'] = 1
PumpOff.requirements['pumpoff_time']['value'] = 2
# These procedures are used much like the ones in Example 2 but they require
# More information
for n in range(5):
PumpOn.Do({'name': red_pump_name})
PumpOff.Do({'name': red_pump_name})
